The weather in Graubunden in September is very cold with temperatures between 2°C and 15°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Graubunden. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Please note that Graubunden can expect a few days of snow in September.
Our weather forecast can give you a great sense of what weather to expect in Graubunden in September 2024.
If you’re planning to visit Graubunden in the near future, we highly recommend that you review the 14 day weather forecast for Graubunden before you arrive.
Temperatures
15° / 2°
Rainy Days
10
Snowy Days
2
Dry Days
18
Rainfall
115
mm
Sun Hours
10.7
Hrs
